H2H data updated: 2026-09-14 00:00 UTC
Janice Tjen holds a 1–0 lead over Martina Okalova in their WTA head-to-head. Across 1 main-draw meeting, Janice Tjen leads 1–0 on hard courts. Most recently, Janice Tjen won the 2025 São Paulo Open second round 6-1 6-0.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Janice Tjen | 6-1 6-0 | Martina Okalova | Match data | Sep 10, 2025 | R16 | São Paulo Open | WTA 250 | Hard |
Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Janice Tjen | #36 | #35 | 1,341 | 1,789 | 22 | 26 | 45.8% | 0 | 0 | 0 | 0 | 1 | 1 |
| Martina Okalova | #492 | #372 | 155 | 1,572 | 1 | 1 | 50.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Janice Tjen | Martina Okalova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 23 | 2025 | 10–3 | 76.9% | #56 | 1,757 | 0 | 1 | — | — | — | — | — | — | — |
| 24 | 2026 | 12–23 | 34.3% | #36 | 1,692 | 0 | 1 | — | — | — | — | — | — | — |
| 28 | — | — | — | — | — | — | — | 2025 | 1–1 | 50.0% | #411 | 1,527 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Janice Tjen | Martina Okalova | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 23 | 2025 | 1758 | 132.2 | +2.30 | -0.55 | 1.147 | 52.4% | +39 | — | — | 70.0% | +1.13 | 3–1 (75%) | 4–1 (80%) | 105.2 | +1.33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 1692 | 135.9 | +0.20 | -3.41 | 0.882 | 47.4% | +60 | -174 | -100 | 38.8% | -0.93 | 3–7 (30%) | 10–5 (67%) | 101.5 | -0.47 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1531 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1527 | 97.6 | -1.83 | +0.09 | 0.700 | 42.6% | — | — | — | 50.0% | -1.75 | — | — | — | +0.50 |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1490 | 92.4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1790 | 134.5 | +0.62 | -2.84 | 0.929 | 48.4% | +52 | -174 | -100 | 47.3% | -0.37 | 6–8 (43%) | 14–6 (70%) | 105.6 | +1.79 | — | 1572 | 95.3 | -1.83 | +0.09 | 0.700 | 42.6% | — | — | — | 50.0% | -1.75 | — | — | — | +25.00 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Liudmila Samsonova | 0 | 3 | 3 | Aug 3, 2026 | H2H |
| Leylah Fernandez | 3 | 0 | 3 | Jun 29, 2026 | H2H |
| Mirra Andreeva | 0 | 2 | 2 | Sep 1, 2026 | H2H |
| Dayana Yastremska | 2 | 0 | 2 | Aug 24, 2026 | H2H |
| Camila Osorio | 0 | 2 | 2 | May 20, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Janice Tjen | 0 | 1 | 1 | Sep 10, 2025 | H2H |
| Arina Rodionova | 1 | 0 | 1 | Sep 8, 2025 | H2H |